Safety knife blade



FIG. 1 is a perspective view of a safety knife blade, showing my design;

FIG. 2 is a front elevation of the safety knife blade of FIG. 1;

FIG. 3 is a rear elevation of the safety knife blade of FIG. 1;

FIG. 4 is a right side elevation of the safety knife blade of FIG. 1;

FIG. 5 is a left side elevation of the safety knife blade of FIG. 1;

FIG. 6 is a top view of the safety knife blade of FIG. 1; and,

FIG. 7 is a bottom view of the safety knife blade of FIG. 1.

The broken line showing of the knife handle is provided for purposes of environment and forms no part of the claimed design. 

CLAIM We claim the ornamental design for a safety knife blade, as shown and described. 